Sowing planner

Everything below is worked backwards from the day seedlings can go outside.

Your last spring frost

A zip code, or a date if you already know it. The lookup is a static file — nothing is sent anywhere and no service is called.

Zip code

or

Last frost date

Showing the national default of May 3, which is wrong for most places.

32,883 zip codes, from NOAA's 1991–2020 climate normals matched to the nearest weather station. A station can sit a long way below you: the one used, and how far away it is, are named when you look a zip up.

Species

Search for a plant and add it. Add as many as you like — they appear together, earliest first.

Results appear as you type. Arrow keys to move, Enter to add, Escape to clear.

Leave everything unticked to plan all of them.Abeliophyllum distichumAbies albaAbies amabilisAbies borisii-regisAbies cephalonicaAbies cilicicaAbies fabriAbies firmaAbies holophyllaAbies koreanaAbies nordmannianaAbies pindrowAbies recurvataAbies religiosaAbies veitchiiAbronia fragransAbronia villosaAbutilon theophrastiAcacia iteaphyllaAcacia salignaAcaena inermisAcaena saccaticupulaAcanthus hungaricusAcanthus mollisAcer pseudosieboldianumAcer saccharumAcer tataricumAchillea millefoliumAchlys triphyllaAciphylla aureaAciphylla dobsoniiAciphylla verticillataAckama rosifoliaAconitum heterophyllumActaea erythrocarpaActaea pachypodaActaea rubraActaea spicataActinidia chinensisAdenium obesumAdenophora farreriAdenophora liliifoliaAdenophora pereskiifoliaAdenophora potaniniiAdenophora tashiroiAdenophora triphyllaAdenostoma fasciculatumAdlumia fungosaAeonium simsiiAesculus hippocastanumAesculus paviaAethionema grandiflorumAgalinis setaceaAgapanthus africanusAgastache nepetoidesAgastache urticifoliaAgave virginicaAgrimonia eupatoriaAichryson divaricatumAjania tibeticaAjuga chamaepitysAlangium platanifoliumAlbuca aureaAlbuca canadensisAlcea roseaAlchemilla mollisAlchemilla saxatilisAletris farinosaAliciella formosaAllardia glabraAllardia stoliczkaeAllardia tomentosaAllium cristophiiAllium falcifoliumAllium gooddingiiAllium karatavienseAllium molyAllium unifoliumAlonsoa linearisAlonsoa meridionalisAlophia drummondiiAlstroemeria umbellataAlyssoides utriculataAlyssum saxatileAmelanchier laevisAmelanchier stoloniferaAmsonia tabernaemontanaAmsonia tomentosaAnchusa azureaAnchusa officinalisAndrosace laggeriAndrosace lanuginosaAndrosace mucronifoliaAndrosace muscoideaAndrosace obtusifoliaAndrosace sarmentosaAndrosace sericeaAndrosace spinuliferaAndrosace villosaAndrostoma empetrifoliaAnemonastrum baicalenseAnemonastrum demissumAnemonastrum narcissiflorumAnemonastrum tetrasepalumAnemone lesseriAnemone multifidaAnemone ranunculoidesAnemonopsis macrophyllaAngelica gigasAngelica grayiAnigozanthos flavidusAnigozanthos manglesiiAnisotome aromaticaAnisotome haastiiAnthriscus cerefoliumAnticlea elegansAnticlea occidentalisAquilegia elegantulaAquilegia eximiaAquilegia flabellataAquilegia formosaAquilegia fragransAquilegia laramiensisAquilegia saximontanaAquilegia scopulorumAquilegia skinneriArbutus menziesiiArctostaphylos nevadensisArctostaphylos patulaArctostaphylos pungensArenaria tmoleaArgemone grandifloraArgemone hispidaArgemone munitaArgylia adscendensArgyreia nervosaArisaema consanguineumArisaema flavumArisaema nepenthoidesArisaema thunbergiiArisaema tortuosumArthropodium cirrhatumArum concinnatumArum cyrenaicumArum dioscoridisArum italicumArum maculatumArum nigrumAsclepias quadrifoliaAsimina trilobaAsperula arvensisAsperula orientalisAsperula tinctoriaAsphodeline brevicaulisAsphodeline liburnicaAsphodeline luteaAsphodelus aestivusAsphodelus albusAsphodelus cerasiferAsphodelus fistulosusAsphodelus ramosusAster alpinusAstragalus whitneyiAstrantia carniolicaAstrantia involucrataAstrantia majorAstrantia minorAsyneuma limonifoliumAthamanta turbithAtriplex canescensAucuba japonicaAulospermum aboriginumAverrhoa carambolaBabiana tubulosaBaeometra unifloraBallota pseudodictamnusBalsamorhiza hookeriBalsamorhiza sagittataBanksia formosaBanksia serraBarbarea vulgarisBarnardia japonicaBegonia grandisBegonia pictaBellevalia romanaBerardia lanuginosaBerlandiera lyrataBerzelia galpiniiBerzelia lanuginosaBerzelia rubraBeschorneria yuccoidesBetula pubescensBillardiera longifloraBiscutella coronopifoliaBlephilia hirsutaBlitum virgatumBloomeria croceaBoenninghausenia albifloraBolboschoenus caldwelliiBolboschoenus fluviatilisBrachyglottis bellidioidesBrimeura amethystinaBrugmansia suaveolensBulbine annuaBulbine bulbosaBulbine caulescensBulbine frutescensBupleurum fruticescensBupleurum longifoliumBupleurum ranunculoidesButomus umbellatusCaiophora coronataCaiophora lateritiaCalandrinia caespitosaCalandrinia umbellataCallicarpa dichotomaCallitris canescensCalluna vulgarisCalochortus kennedyiCaltha bifloraCalycocarpum lyoniiCalydorea amabilisCalydorea nudaCalydorea pallensCalydorea xiphioidesCalyptridium umbellatumCampanula coriaceaCampanula dasyanthaCampanula glomerataCampanula grandisCampanula incurvaCampanula latifoliaCampanula lyrataCampanula mediumCampanula pallidaCampanula pyramidalisCampanula scabrellaCampanula spicataCampanula vidaliiCannabis sativaCapnoides sempervirensCapparis spinosaCapsicum annuumCapsicum frutescensCardamine concatenataCardamine pensylvanicaCardiocrinum cordatumCardiocrinum giganteumCardiospermum halicacabumCarex puniceaCarex retrorsaCarthamus tinctoriusCassiope fastigiataCastilleja miniataCastilleja parvifloraCatalpa bignonioidesCathcartia betonicifoliaCautleya spicataCedrus atlanticaCentranthus ruberCerastium fontanumCercocarpus betuloidesCercocarpus intricatusCerinthe majorCestrum nocturnumChamaechaenactis scaposaChasmanthe floribundaChelidonium majusCherleria bifloraCherleria laricifoliaChilopsis linearisChrysojasminum humileCicer arietinumCistanthe grandifloraCistus laurifoliusClematicissus striataClematis addisoniiClematis albicomaClematis alpinaClematis coactilisClematis connataClematis crispaClematis forsteriClematis hirsutissimaClematis integrifoliaClematis lanuginosaClematis tibetanaClematis viornaClethra alnifoliaClinopodium albumClinopodium alpinumClintonia andrewsianaClintonia umbellulataCobaea scandensCochlearia officinalisCodonopsis clematideaCollomia bifloraCollomia grandifloraConanthera bifoliaConimitella williamsiiCoprosma acerosaCoprosma atropurpureaCoprosma rhamnoidesCoriaria terminalisCornus floridaCorydalis cheilanthifoliaCostus guanaiensisCotoneaster dammeriCotoneaster horizontalisCotoneaster microphyllusCotyledon orbiculataCrambe cordifoliaCraspedia incanaCratoxylum cochinchinenseCremanthodium ellisiiCrepis sibiricaCrocosmia aureaCuphea igneaCyclamen persicumCymbalaria muralisCynanchum acutumCynoglossum amabileCyperus papyrusCytisus decumbensDaphne caucasicaDaphne mezereumDarlingtonia californicaDarmera peltataDatura stramoniumDaubenya aureaDaucus carotaDaucus carota subsp. sativusDelphinium consolidaDelphinium elatumDelphinium geraniifoliumDelphinium glaucumDelphinium grandiflorumDelphinium oreophilumDelphinium tenuisectumDelphinium tricorneDendrocalamus asperDendrocalamus membranaceusDesmanthus illinoensisDianella intermediaDianthus superbusDicentra cucullariaDicentra eximiaDieteria bigeloviiDietes grandifloraDigitalis canariensisDigitalis grandifloraDigitalis luteaDigitalis viridifloraDioscorea communisDioscorea quaternataDiospyros texanaDiospyros virginianaDiplacus grandiflorusDiplarrhena moraeaDipsacus fullonumDiscaria toumatouDisporum lanuginosumDodecatheon alpinumDodecatheon amethystinumDodecatheon pulchellumDolichandra unguis-catiDraba acaulisDraba bruniifoliaDraba creticaDraba doerfleriDraba hoppeanaDraba hyperboreaDraba incertaDracocephalum tanguticumDracunculus vulgarisDrosera anglicaDrosera burkeanaDryas sundermanniiDrymophila cyanocarpaDudleya cymosaEccremocarpus scaberEcheandia flavescensEchinocereus pectinatusEchinocereus reichenbachiiEchinocereus triglochidiatusEchinocereus viridiflorusEdraianthus pumilioEndodeca serpentariaEpilobium anagallidifoliumEpilobium canum subsp. garrettiiEpilobium canum subsp. latifoliumEpilobium palustreEranthis hyemalisEremurus altaicusEremurus robustusEriastrum densifoliumErica spiculifoliaErigeron compositusErigeron elegantulusErigeron flabellifoliusErigeron flettiiErinus alpinusEriogonum bicolorEriogonum brevicauleEriogonum caespitosumEriogonum compositumEriogonum douglasiiEriogonum ericifoliumEriogonum flavumEriogonum marifoliumEriogonum niveumEriogonum ovalifoliumEriogonum shockleyiEriogonum sphaerocephalumEriogonum strictumEriogonum tumulosumEriolarynx australisEriophyllum lanatumErysimum capitatumErysimum kotschyanumErythranthe lewisiiErythranthe luteaErythronium americanumErythronium grandiflorumErythronium hendersoniiErythronium revolutumErythronium sibiricumEubotrys racemosaEuonymus phellomanusEuphorbia franchetiiEuphorbia myrsinitesEuphorbia wulfeniiEustoma russellianumEvotrochis verticillataFallugia paradoxaFarinopsis salesovianaFerocactus cylindraceusFerocactus wislizeniFerraria crispaFerula communisFibigia clypeataFicus caricaFilipendula ulmariaFlueggea suffruticosaFoeniculum vulgareForsythia suspensaFouquieria splendensFrasera fastigiataFraxinus anomalaFraxinus hybridaFreesia laxaFritillaria acmopetalaFritillaria gentneriFritillaria imperialisFritillaria meleagrisFritillaria ponticaFritillaria sewerzowiiFritillaria tubiformisFumana laevisGagea serotinaGaillardia aristataGalanthus elwesiiGalanthus nivalisGaleopsis speciosaGalitzkya macrocarpaGaultheria depressaGaultheria hispidaGaultheria macrostigmaGaultheria trichophyllaGeissorhiza asperaGeissorhiza eurystigmaGeissorhiza junceaGelasine elongataGenista occidentalisGentiana asclepiadeaGentianella germanicaGentianopsis barbellataGeranium pratenseGeranium sylvaticumGeum coccineumGeum montanumGladiolus anatolicusGladiolus kotschyanusGladiolus murielaeGlaucidium palmatumGlobularia nudicaulisGlobularia trichosanthaGloriosa superbaGomphrena haageanaGrevillea buxifoliaGymnospermium altaicumGypsophila pacificaHackelia bellaHebe guthrieanaHedeoma hispidaHedlundia armeniacaHedysarum cephalotesHelianthemum ledifoliumHelianthemum nummulariumHelianthemum oelandicumHelianthemum salicifoliumHelleborus argutifoliusHelleborus nigerHelleborus orientalisHepatica americanaHepatica nobilisHerbertia lahueHesperochiron californicusHesperoyucca whippleiHeterotheca fulcrataHeuchera halliiHeuchera richardsoniiHieracium maculatumHippophae salicifoliaHoustonia caeruleaHoustonia rubraHoustonia wrightiiHulsea algidaHumulus lupulusHyacinthoides hispanicaHydrangea bifidaHydrangea paniculataHydrophyllum capitatumHylomecon japonicumHymenocrater bituminosusHymenoxys grandifloraHymenoxys subintegraHypericum choisyanumHypericum olympicumHypericum prolificumHypoxis hirsutaIbicella luteaIlex mucronataIlex serrataImpatiens balfouriiImpatiens balsaminaImpatiens scabridaIncarvillea diffusaIncarvillea maireiIncarvillea olgaeIndigofera heteranthaInula ensifoliaInula obtusifoliaInula rhizocephalaIpheion uniflorumIpomoea leptophyllaIpomopsis aggregataIpomopsis rubraIpomopsis spicataIris acutilobaIris albomarginataIris aucheriIris baldshuanicaIris bracteataIris bucharicaIris bulleyanaIris cycloglossaIris darwasicaIris decoraIris foetidissimaIris germanicaIris halophilaIris hoogianaIris innominataIris kuschakewicziiIris magnificaIris mandshuricaIris milesiiIris pumilaIris ruthenicaIris sintenisiiIris spuriaIris stenophyllaIris subdecolorataIris taochiaIris tuberosaIris typhifoliaIris unguicularisIris versicolorIris vicariaIris wilsoniiIsatis tinctoriaItea virginicaIxia paniculataIxia viridifloraJacaranda mimosifoliaJamesia americanaJasione crispaJeffersonia diphyllaJuglans nigraJuniperus horizontalisJurinea moschusKalanchoeKalmia angustifoliaKalmia cuneataKalmia hirsutaKalmia latifoliaKalmia microphyllaKalmia polifoliaKigelia africanaKirengeshoma palmataKnautia macedonicaKoelreuteria paniculataKolkwitzia amabilisKunzea baxteriKunzea ericifoliaLaburnum × watereriLachenalia algoensisLachenalia aloidesLachenalia bulbiferaLachenalia corymbosaLachenalia elegansLachenalia ensifoliaLachenalia glaucinaLachenalia liliifloraLachenalia medianaLachenalia nervosaLachenalia orchioidesLachenalia orthopetalaLachenalia pallidaLachenalia reflexaLachenalia roseaLachenalia unicolorLagotis ikonnikoviiLagotis uralensisLallemantia canescensLamium maculatumLamprocapnos spectabilisLarix kaempferiLarrea tridentataLepidium sativumLeptinella pyrethrifoliaLeucocrinum montanumLeucojum aestivumLeucojum vernumLewisia brachycalyxLeycesteria formosaLiatris spicataLibertia chilensisLibertia grandifloraLibertia peregrinansLigularia amplexicaulisLigularia dentataLilium michauxiiLimnanthes douglasiiLinanthus watsoniiLinum catharticumLinum kingiiLinum komaroviiLinum perenneLiriodendron tulipiferaLithotoma axillarisLobelia anatinaLobelia angulataLobelia boykiniiLobelia erinusLobelia sessilifoliaLobelia tupaLomatium nuttalliiLonicera obovataLonicera tataricaLotus rectusLuetkea pectinataLuzula niveaLyonia marianaLysichiton americanusLysimachia punctataMachaeranthera tanacetifoliaMacleaya cordataMaclura pomiferaMagnolia denudataMagnolia sieboldiiMagnolia wilsoniiMahonia japonicaMalus baccataMandevilla laxaMandragora officinalisMeconopsis aculeataMelasphaerula gramineaMelicytus alpinusMelissa officinalisMentha requieniiMentha spicataMentzelia chrysanthaMentzelia decapetalaMentzelia nudaMertensia bakeriMertensia canaMertensia lanceolataMeum athamanticumMicromeria julianaMimulus ringensMisopates orontiumMitchella repensMonarda citriodoraMonarda didymaMonardella odoratissimaMoraea setifoliaMoraea simulansMorina longifoliaMuscari azureumMuscari comosumMuscarimia macrocarpaMussaenda roxburghiiMyosotis asiaticaMyrsine nummulariaNama rothrockiiNandina domesticaNarcissusNarthecium ossifragumNasturtium officinaleNemastylis tenuisNemesia umbonataNepeta floccosaNepeta glutinosaNerium oleanderNicandra physalodesNigella damascenaNigella hispanicaNigella orientalisNoccaea vesicariaNonea echioidesNotholithocarpus densiflorusNotothlaspi rosulatumNyctanthes arbor-tristisOcimum basilicumOenothera albicaulisOenothera argillicolaOenothera biennisOenothera brachycarpaOenothera cespitosaOenothera cheiranthifoliaOenothera hartwegii subsp. fendleriOenothera pallidaOenothera serrulataOenothera speciosaOenothera suffrutescensOenothera tetragonaOenothera trilobaOenothera xylocarpaOlsynium douglasiiOmalotheca supinaOmphalodes cappadocicaOnosma armenaOnosma nanaOnosma stellulataOnosma tauricaOpuntia tunaOreocarya paradoxaOreocarya thompsoniiOreocharis billburttiiOrnithogalum candicansOrnithogalum umbellatumOrostachys malacophyllaOrthrosanthus chimboracensisOsbeckia stellataOstrya virginianaOurisia macrophyllaOurisia polyanthaOxytropis humifusaOxytropis multicepsOxytropis williamsiiPachystegia minorPaeonia anomalaPaeonia broteriPaeonia browniiPaeonia cambessedesiiPaeonia delavayiPaeonia emodiPaeonia mlokosewitschiiPaeonia obovataPaeonia officinalisPaeonia × suffruticosaPancratium maritimumPandorea jasminoidesPapaver alpinumPapaver cambricumPapaver lapponicumPapaver pilosumPapaver somniferumParnassia fimbriataParnassia glaucaParnassia palustrisParrotia persicaParrotiopsis jacquemontianaParrya schugnanaPedicularis rainierensisPediocactus simpsoniiPennellianthus frutescensPenstemon acaulisPenstemon acuminatusPenstemon angustifoliusPenstemon arenicolaPenstemon barbatusPenstemon breviculusPenstemon caespitosusPenstemon cobaeaPenstemon crandalliiPenstemon doliusPenstemon eatoniiPenstemon eriantherusPenstemon flowersiiPenstemon gairdneriPenstemon globosusPenstemon goodrichiiPenstemon halliiPenstemon harbouriiPenstemon heterophyllusPenstemon humilisPenstemon jamesiiPenstemon janishiaePenstemon lemhiensisPenstemon lentusPenstemon lyalliPenstemon moffattiiPenstemon monoensisPenstemon montanusPenstemon pachyphyllusPenstemon paysoniorumPenstemon secundiflorusPenstemon speciosusPenstemon teucrioidesPenstemon uintahensisPenstemon utahensisPenstemon whippleanusPeriploca graecaPetalonyx nitidusPetrophytum caespitosumPhacelia bipinnatifidaPhacelia campanulariaPhacelia grandifloraPhacelia sericeaPhalocallis coelestisPhemeranthus calycinusPhemeranthus sediformisPhemeranthus spinescensPhemeranthus teretifoliusPhlomis fruticosaPhlomis samiaPhlomoides tuberosaPhlox diffusaPhlox glaberrimaPhlox hoodiiPhlox longifoliaPhlox multifloraPhlox pilosaPhlox pulchraPhlox pulvinataPhlox speciosaPhoenicaulis cheiranthoidesPhormium tenaxPhygelius aequalisPhygelius capensisPhyllodoce caeruleaPhyllodoce nipponicaPhyllostachys edulisPhysaria newberryiPhysostegia virginianaPhyteuma serratumPicea abiesPicea pungensPieris japonicaPimelea prostrataPinellia ternataPinguicula vulgarisPinnasa nanaPinus elliottiiPittosporum crassicaulePlagiorhegma dubiumPlantago virginicaPlatycodon grandiflorusPlocama calabricaPlumeria emarginataPolemonium acutiflorumPolemonium caeruleumPolemonium chartaceumPolemonium pulcherrimumPolemonium viscosumPolygala calcareaPolygala senegaPolygaloides paucifoliaPolygonatum humilePortulaca pilosaPotentilla argyrophyllaPotentilla indicaPotentilla megalanthaPotentilla rectaPourthiaea villosaPrimula bullataPrimula bulleyanaPrimula buryanaPrimula cockburnianaPrimula elatiorPrimula flexuosaPrimula florindaePrimula frondosaPrimula geraniifoliaPrimula iljinskiiPrimula luteolaPrimula nevadensisPrimula pulverulentaPrimula rotundifoliaPrimula sieboldiiPrimula specuicolaPrimula violaceaPrimula warshenewskianaPrometheum pilosumPrunus aviumPrunus serotinaPseudofumaria luteaPsidium guajavaPsychotria nervosaPterostyrax hispidusPulsatilla campanellaPulsatilla grandisPulsatilla occidentalisPulsatilla wallichianaPyrus pyrifoliaPyxidanthera barbulataQuercus albaQuercus coccineaQuercus phellosQuercus rubraQuercus virginianaRamonda heldreichiiRamonda myconiRanunculus acrisRanunculus adoneusRanunculus gramineusRanunculus hispidusRanunculus illyricusRanunculus lyalliiRanunculus repensRehmannia elataReseda odorataRheum compactumRheum ribesRheum tibeticumRhodiola integrifoliaRhododendron anthopogonRhododendron groenlandicumRhododendron lepidotumRhodolirium andicolaRhodolirium montanumRhodotypos scandensRorippa islandicaRosa albaRosa gallicaRosa pauliiRosa virginianaRoscoea alpinaRubus odoratusRumex acetosellaRumex alpinusRumex crispusRupicapnos africanaRuta corsicaRuta graveolensSabal minorSabatia kennedyanaSagittaria latifoliaSalix cascadensisSalpiglossisSalvia abrotanoidesSalvia argenteaSalvia candidissimaSalvia cyanescensSalvia dumetorumSalvia glutinosaSalvia hiansSalvia huberiSalvia moorcroftianaSalvia officinalisSalvia repensSalvia sclareaSambucus canadensisSambucus nigraSambucus racemosaSandersonia aurantiacaSanguisorba officinalisSauromatum venosumSaxifraga aizoidesSaxifraga caesiaSaxifraga chrysanthaSaxifraga cotyledonSaxifraga flagellarisSaxifraga hirculusSaxifraga oppositifoliaScabiosa pyrenaicaSchizopetalon walkeriScilla roseniiScleranthus biflorusScleranthus uniflorusScutellaria integrifoliaScutellaria novae-zelandiaeSedum stelliformeSenecio amplectensSenecio aureusSequoiadendron giganteumSeseli gummiferumShoshonea pulvinataSibbaldia procumbensSideritis hyssopifoliaSilene argaeaSilene carolinianaSilene colorataSilene delavayiSilene dioicaSilene flos-cuculiSilene flos-jovisSilene laciniataSilene latifoliaSilene pendulaSilene ruprechtiiSilene samojedorumSilene wilfordiiSisyrinchium angustifoliumSisyrinchium demissumSisyrinchium littoraleSmilax feroxSolanum melongenaSolanum pseudocapsicumSolanum sisymbriifoliumSoldanella carpaticaSoldanella hungaricaSolidago spathulataSophora microphyllaSpergularia rubraSphaeralcea coccineaSphaeromeria capitataSpiraea canescensStachys chinensisStachyurus chinensisStephanotis floribundaStreptopus roseusStylidium graminifoliumStylomecon heterophyllaStypandra glaucaStyrax obassiaSuccisella inflexaSwertia perennisSymplocarpus foetidusSynthyris alpinaSynthyris pinnatifidaSyringa reticulataTanacetum dolichophyllumTanacetum gracileTaraxacum officinaleTeesdalia confertaTelesonix jamesiiTetraneuris acaulisThalictrum lucidumThalictrum minusThalictrum petaloideumThalictrum tuberosumThomasia quercifoliaThymus incertusTiarella wherryiTofieldia pusillaTownsendia exscapaToxicoscordion fremontiiTrachelium rumelicumTrachymene caeruleaTrachyspermum ammiTrifolium dasyphyllumTrifolium pratenseTrillium albidumTrillium grandiflorumTrillium nivaleTrillium ovatumTrillium pusillumTrillium undulatumTritonia securigeraTrollius acaulisTrollius chinensisTropaeolum azureumTropaeolum pentaphyllumTropaeolum polyphyllumTropaeolum sessilifoliumTropaeolum speciosumTsuga canadensisTulbaghia galpiniiTulipa clusianaUlmus glabraUmbilicus oppositifoliusUmbilicus rupestrisUngernia victorisUrtica membranaceaUvularia grandifloraVaccinium macrocarponVaccinium myrtillusVaccinium nummulariaVaccinium vitis-idaeaVeratrum californicumVerbascum blattariaVerbascum phoeniceumVerbena macdougaliiVeronica aphyllaVeronica bellidioidesVeronica caespitosaVeronica chathamicaVeronica fruticansVeronica fruticulosaVeronica linifoliaVeronica lyalliiVeronica nipponicaVeronica nummulariaVeronica ponaeVeronica tauricolaVeronicastrum virginicumViburnum acerifoliumViburnum carlesiiViburnum rhytidophyllumViburnum sargentiiViburnum trilobumViola cuneataViola tricolorWahlenbergia congestaWahlenbergia gloriosaWaldsteinia fragarioidesWashingtonia filiferaWeigela floridaWikstroemia genkwaWisteria sinensisWithania somniferaWulfenia carinthiacaWyethia amplexicaulisWyethia arizonicaWyethia helianthoidesWyethia sagittataXeranthemum annuumXeronema callistemonXerophyllum asphodeloidesXylanthemum pamiricumYucca baileyiYucca filamentosaYucca glaucaZaluzianskya capensisZantedeschia aethiopicaZea maysZephyranthes araucanaZephyranthes atamascoZephyranthes elwesiiZephyranthes roseaZephyranthes tubispathaZizia apteraZizia aureaZiziphora clinopodioides subsp. bungeanaZygophyllum atriplicoides

Germination protocols from public-domain sources.About & sources All species